EP1301103B1 - Element de traitement destine a un appareil pour le nettoyage des interstices entre les dents, ainsi que procede et dispositif pour sa production - Google Patents

Element de traitement destine a un appareil pour le nettoyage des interstices entre les dents, ainsi que procede et dispositif pour sa production Download PDF

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Publication number
EP1301103B1
EP1301103B1 EP01937915A EP01937915A EP1301103B1 EP 1301103 B1 EP1301103 B1 EP 1301103B1 EP 01937915 A EP01937915 A EP 01937915A EP 01937915 A EP01937915 A EP 01937915A EP 1301103 B1 EP1301103 B1 EP 1301103B1
Authority
EP
European Patent Office
Prior art keywords
blank
brush head
cross
shaft
milling tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01937915A
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German (de)
English (en)
Other versions
EP1301103A1 (fr
Inventor
Paul Brändli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ESRO AG
Original Assignee
ESRO AG
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Publication date
Application filed by ESRO AG filed Critical ESRO AG
Publication of EP1301103A1 publication Critical patent/EP1301103A1/fr
Application granted granted Critical
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Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A61C15/04—Dental floss; Floss holders
    • A61C15/046—Flossing tools

Definitions

  • the invention relates to a device for producing a brush head, in particular for an apparatus for cleaning interdental spaces, from a blank having radially projecting from a shaft bristles of substantially the same length.
  • a brush head here for a device for cleaning interdental spaces, is described in CH-688,261.
  • This is formed from a housing, a handle and a head, which carries a holder for receiving brush heads. The tooth cleaning is then carried out by a movement of the brush head, which is transmitted via an electric motor drive in the housing and a running in the stem eccentric shaft.
  • a known brush head is shown for example in the figures of CH-688.261 and has a conical shape in the direction of its longitudinal axis. The conical shape is well suited to be inserted into interdental spaces, since the effective circular diameter of the treatment part increases with increasing introduction.
  • Object of the present invention is to provide a device with which brush heads can be produced in an efficient manner, which have a cross-sectionally substantially polygonal shape.
  • triangular shape means that the ends of the bristles which are mounted on a central shaft form a triangle in said cross-sectional view, and not merely that bristles protrude from the central shaft in three directions 120 ° apart.
  • Fig. 1 shows a treatment part or brush head 1 with a central shaft 2, on which a plurality of bristles 3 are attached. Of these, only a few are shown for clarity. Adjacent bristles 3 extend slightly diverging from the shaft 2 and, starting from the shortest bristles provided with the reference numeral 13, each have greater lengths until they have the greatest distance from one another on the bristles 23 which are at an angle of 120 ° to one another ,
  • the material of which the bristles are made can be selected from the group of all products used accordingly for toothbrushes, toothpicks and other cleaning materials.
  • the bristle tips 4 form a plane or in cross-section of FIG. 1 an outer contour 5 of the treatment part 1, which is rectilinear in the first approximation. This forms an equilateral triangle for the outer contour of the treatment part 1 of FIG.
  • the outer contour 5 is shown in more detail in each case a slightly concave curve, which ends in the corners of the triangle at the longest bristles. This can be seen in FIG. 4.
  • FIG. 2 shows a bristle design with bristles which become longer along the shank 2, which means that the triangle 5 spanned by the bristles in cross-section widens to form a triangle 15 with longer limbs.
  • the expansion is predetermined in the direction of attachment of the treatment part to the brush head to form a tapered tip of the treatment part, which is easier to insert into interdental spaces.
  • the triangles 5 and 15 are equilateral in the present embodiment.
  • the connecting line between the respective longest bristles 23, 33 is identified by the reference numeral 6. It is also possible that the curve 6 is not a straight line but curved and / or that the curve 6 passes to a maximum with the longest bristles 33 again to shorter longest bristles 23. Even the shortest bristles 13 extend to bristles 43.
  • Fig. 3 shows a third embodiment in which an acute-angled isosceles triangle is formed by the curves of the bristle tips.
  • the shortest bristles 13 have the same length, on the third side the shortest bristles 53 are longer than the other shortest bristles 13.
  • the shape of the brush head according to FIG. 3 is particularly suitable for interdental spaces.
  • the acute angle can also be chosen larger or smaller and be dull beyond a right angle.
  • Brush heads according to the above-mentioned embodiments are produced with a milling cutter, which is preferably firmly positioned and in which the brush heads (in the equilateral case) are respectively rotated about their shafts 2 by exactly 120 °. Due to the large diameter of the milling tool 40, the substantially straight side surfaces 35 of the triangle arise. In Fig. 4 is in a schematic and exaggerated in the curvature representation of these lines, however, slightly concave side surfaces 35, in which case by the choice of the milling tool a balance between speed of production of the treatment part and The quality of the side surfaces must be defined by the manufacturer, as in the corner areas, the bristles are cut obliquely.
  • the treatment part instead of a triangle has a different outer contour, such as a hexagon or an octagon.
  • the process for producing a treatment part begins with a blank having bristles projecting radially from a shaft of substantially equal length. This is fixed in a rotatable holder. A milling tool is provided which is rotatable about an axis which is parallel to said rotatable support of the blank. Now, if the blank is fixed in a first position, the axis of the Fräsbearbeitungstechnikmaschinectiones is arranged at a distance from the blank, so that the Fräsbearbeitungswerkmaschinezeug produced in cross-section substantially a first straight milling edge.
  • the blank is rotated in the rotatable holder by a predetermined angle to a second position, the milling tool now in cross section a second substantially straight milling edge generated so that the two Fräskanten an angle of 180 degrees minus the predetermined angle together.
  • the blank in the rotatable support to each other predetermined angle (in the triangle a second time, in a hexagon four more times) rotated into more positions to produce by the Fräsbearbeitungstechnikmaschinection more straight milling edge until the last straight milling edge with the first straight milling edge forms a predetermined angle.
  • the finished blank can be ejected.
  • a device for producing a treatment part has Accordingly, a first holder for receiving a blank and a parallel to the first holder arranged milling processing tool.
  • the blank is fixable in the first holder and indexable rotated by predetermined angle.
  • the milling tool can initially and after each rotation by rotation about its axis in cross-section produce a substantially straight cutting edge of the bristle tips of the blank until the processing part is formed with cross-sectionally adjacent Strekken straight straight edges.
  • Another embodiment which is not shown in the figures, uses two controlled shafts, one for holding the brush and the other for the movement of the milling cutter.
  • the axis of the brush can be adjusted via an eccentric disc to the axis of the mill.
  • Fig. 5 shows a schematic perspective view of another brush head. Good to see the twisted shaft 2, from which the bristles 3 protrude radially with the same screw. These are the curve 6 according to always shorter, and then at the same time to end with the shaft 2.
  • FIG. 6 shows a sequence of cross-sectional views and side views of various further exemplary embodiments of treatment parts with a diameter-variable brush head.
  • These brush heads are provided with the reference numerals 71, 72, 73, 74, 75, 76, 77, 78 and 79.
  • Brush head 71 is triangular in cross section and constant in length except for a tapered end portion 81.
  • Brush head 72 is formed in cross section by two intersecting surfaces of revolution and is concave 82 on two opposite sides. It is convex in length.
  • Brush head 73 tapers towards the end of the shaft 2, while the cross section above is blunt 83.
  • Brush head 74 tapers toward the end of the shaft 2 in serrated shape 84, while the cross section is a triangle with barrel-shaped side surfaces.
  • Brush head 75 is similar to the brush head 74 with respect to the side view, since here the taper to the end of the shaft 2 out in several stages wave-shaped, while the cross-section is substantially ovaloid 85th
  • Brush head 76 is formed in the direction of the shaft 2 in sawtooth curve 86, wherein the cross section is a triangle with truncated corners 83 similar to brush head 73.
  • Brush head 77 is formed in the direction of the shaft 2 in complementary sinusoidal curves 87, while the cross section is similar to a triangle to brush head 74.
  • Brush head 78 is tapered in the direction of the shaft 2 as brush head 73 is formed, but the cross section is a triangle with two barrel-shaped sides and a concave side 88. brush head 79 is finally formed in the direction of the shaft 2 sawtooth like brush head 76, this is the cross section but a rectangle 89 with four concave sides, wherein also the cutting edge of the bristles above the illustrated axis is shorter than below the illustrated axis, ie the bristle lengths are unbalanced.

Landscapes

  • Brushes (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (6)

  1. Dispositif pour fabriquer une tête de brosse (1), notamment pour un appareil pour nettoyer les interstices entre les dents, constitué d'une ébauche, qui dispose de brosses (3, 13, 23, ... , 63) saillant radialement depuis une tige (2), de longueur sensiblement égale, caractérisé en ce que le dispositif dispose d'une première fixation rotative pour recevoir une ébauche et d'un outil d'usinage par fraisage disposé parallèlement à la première fixation, l'ébauche pouvant être fixée dans la première fixation et pouvant tourner de manière indexée suivant des angles prédéterminés et en ce que l'on peut produire, avec l'outil d'usinage par fraisage, au début et après chaque rotation, par rotation autour de son axe, une arête de coupe sensiblement droite en section transversale des pointes des brosses de l'ébauche, jusqu'à ce que l'on obtienne la tête de brosse (1) avec des portions adjacentes en section transversale d'arêtes de coupe droites, de sorte que la tête de brosse (1) présente une forme sensiblement polygonale en section transversale.
  2. Dispositif selon la revendication 1, caractérisé en ce que chaque rotation est effectuée sur 120 degrés et en ce que la section transversale de la tête de brosse (1) est sensiblement triangulaire.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que l'outil d'usinage par fraisage peut être déplacé longitudinalement par rapport à la tige (2) de la tête de brosse (1) de manière telle que la ligne de connexion (6) des brosses les plus longues (23, 33) dans la direction longitudinale de la tige (2) s'étende à des distances radiales différentes depuis celle-ci (2) et/ou en ce que les lignes latérales (35) de la partie de traitement (1) présentent en section transversale une courbure concave par rapport à la tige (2).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'outil d'usinage par fraisage peut être déplacé longitudinalement par rapport à la tige (2) de la tête de brosse (1) de telle manière que la ligne de connexion (6) des brosses les plus longues (23, 33) dans la direction longitudinale de la tige (2) s'étende à des distances radiales périodiquement différentes depuis celle-ci (2).
  5. Procédé de fabrication d'une tête de brosse avec un dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'une ébauche, qui dispose de brosses saillant radialement depuis une tige, de longueur sensiblement égale, est fixée dans une fixation rotative, en ce qu'un outil d'usinage par fraisage est prévu, lequel peut tourner autour d'un axe qui s'étend parallèlement à ladite fixation rotative de l'ébauche, en ce que l'ébauche est fixée dans une première position, en ce que l'axe de l'outil d'usinage par fraisage est disposé à distance de l'ébauche, de telle sorte que l'outil d'usinage par fraisage produise en section transversale sensiblement une première arête de fraisage droite, en ce qu'ensuite l'ébauche est tournée dans une deuxième position dans la fixation rotative autour d'un angle prédéterminé, en ce que l'outil d'usinage par fraisage produit en section transversale sensiblement une deuxième arête de fraisage droite, de sorte que les deux arêtes de fraisage forment ensemble un angle de 180 degrés moins l'angle prédéterminé, en ce qu'ensuite l'ébauche est tournée dans la fixation rotative d'angles prédéterminés respectifs supplémentaires dans des positions suivantes, afin de produire par l'outil d'usinage par fraisage d'autres arêtes de fraisage droites, jusqu'à ce que la dernière arête de fraisage droite forme avec la première arête de fraisage droite un angle prédéterminé, puis l'ébauche usinée finie est expulsée.
  6. Tête de brosse (1) pour un appareil de nettoyage d'interstices entre les dents, fabriquée avec un dispositif selon l'une quelconque des revendications 1 à 4.
EP01937915A 2000-07-20 2001-06-15 Element de traitement destine a un appareil pour le nettoyage des interstices entre les dents, ainsi que procede et dispositif pour sa production Expired - Lifetime EP1301103B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH14362000 2000-07-20
CH143600 2000-07-20
PCT/CH2001/000374 WO2002007562A1 (fr) 2000-07-20 2001-06-15 Element de traitement destine a un appareil pour le nettoyage des interstices entre les dents, ainsi que procede et dispositif pour sa production

Publications (2)

Publication Number Publication Date
EP1301103A1 EP1301103A1 (fr) 2003-04-16
EP1301103B1 true EP1301103B1 (fr) 2006-09-06

Family

ID=4565475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01937915A Expired - Lifetime EP1301103B1 (fr) 2000-07-20 2001-06-15 Element de traitement destine a un appareil pour le nettoyage des interstices entre les dents, ainsi que procede et dispositif pour sa production

Country Status (6)

Country Link
US (1) US20050257338A1 (fr)
EP (1) EP1301103B1 (fr)
AT (1) ATE338489T1 (fr)
DE (1) DE50110946D1 (fr)
ES (1) ES2272479T3 (fr)
WO (1) WO2002007562A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211780A1 (de) * 2002-03-16 2003-09-25 Geka Brush Gmbh Mascara-Bürstchen
DE10235193A1 (de) * 2002-08-01 2004-02-19 Geka Brush Gmbh Mascara-Bürstchen, Herstellungsverfahren sowie Mascara-Vorratsbehälter hierfür
DE10343850A1 (de) * 2003-09-23 2005-04-14 Geka Brush Gmbh Mascara-Bürstchen
FR2874798B1 (fr) * 2004-09-03 2007-01-19 Oreal Applicateur pour l'application d'un produit sur les cils ou les sourcils
US8127777B2 (en) 2004-09-03 2012-03-06 L'oreal S.A. Applicator for applying a substance
US20120151701A1 (en) * 2010-12-16 2012-06-21 Yong-Hoon Cho Multifaceted scrubbing device
FR2983048B1 (fr) * 2011-11-29 2014-01-17 Oreal Applicateur pour appliquer un produit sur les cils ou les sourcils
US9526316B2 (en) * 2013-05-21 2016-12-27 Zen Design Solutions Limited Cosmetic applicator
US9168115B2 (en) 2013-10-25 2015-10-27 Zee Zee Corporation Bristled toothpick assembly and method of using the same
USD777443S1 (en) * 2015-11-13 2017-01-31 Meng Xu Interdental brush
US10080631B2 (en) * 2016-10-10 2018-09-25 Gail Love Dental pipette
FR3058624B1 (fr) * 2016-11-15 2018-12-07 L'oreal Brosse pour l'application d'un produit sur les cils et/ou les sourcils
GB2557262A (en) * 2016-12-02 2018-06-20 Peri Dent Ltd Apparatus for interdental cleaning and method for manufacturing the same
DE102018101784A1 (de) * 2018-01-26 2019-08-01 Solo-Med GmbH Interdentalraumbürste für Implantate
JP7480111B2 (ja) 2018-07-11 2024-05-09 テぺ ムニジェンプロダクター アーベー 挿入案内先端部を有した歯間ブラシ
CN109512129A (zh) * 2018-11-28 2019-03-26 周星 三角形牙间刷
USD927197S1 (en) * 2019-09-05 2021-08-10 Spectrum Diversified Designs, Llc Brush
USD911033S1 (en) * 2019-09-05 2021-02-23 Spectrum Diversified Designs, Llc Brush
USD917892S1 (en) * 2019-09-05 2021-05-04 Spectrum Diversified Designs, Llc Brush
USD971537S1 (en) * 2020-09-30 2022-11-29 Omar Rojas Lint brush vacuum attachment
US20220395067A1 (en) * 2021-06-09 2022-12-15 Kiss Nail Products, Inc. Hairstyling tools and methods
WO2023237582A1 (fr) * 2022-06-07 2023-12-14 Tandex A/S Dispositif de nettoyage interdentaire

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605505B1 (fr) * 1986-10-24 1989-06-02 Oreal Brosse pour l'application de produits cosmetiques
FR2637472B1 (fr) * 1988-10-12 1992-11-13 Oreal Brosse pour l'application d'un produit cosmetique en particulier sur les cils ou les cheveux
FR2637471B1 (fr) * 1988-10-12 1992-10-30 Oreal Brosse pour appliquer un produit de maquillage, et procede de fabrication d'une telle brosse
DE9014650U1 (de) * 1990-09-14 1992-01-23 Technobross-Menne GmbH, 7932 Munderkingen Reinigungsbürste, insbesondere Falzbürste
US5595198A (en) * 1995-06-07 1997-01-21 Risdon Corporation Mascara applicator and method of making the same
CH688261A5 (de) 1995-10-16 1997-07-15 Klaus Wilhelm Walkhoff Apparat zur Reinigung von Zwischenraeumen
FR2748913B1 (fr) * 1996-05-24 1998-08-07 Oreal Brosse a crans et dispositif de maquillage comprenant cette brosse

Also Published As

Publication number Publication date
WO2002007562A1 (fr) 2002-01-31
ES2272479T3 (es) 2007-05-01
US20050257338A1 (en) 2005-11-24
ATE338489T1 (de) 2006-09-15
DE50110946D1 (de) 2006-10-19
EP1301103A1 (fr) 2003-04-16

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